Secant and Tangent Lines in Circles

Line PQ and Line RQ are examples of

• Secant Lines

• Tangent Lines

• Outside Lines

• Tangerine Lines

Is line AB tangent to the circle?

• YES

• NO
  NO

• Can't Tell
  Can't Tell

A line in the same plane as a circle that intersects the circle at exactly one point is a ____________.

• tangent

• secant

• chord

• radius

A line that intersects a circle at two points is a ______________.

• tangent

• secant

• diameter

• chord

Lines AO and BO are tangent. What is the measure of BO?

• 20

• 15

• 10

• 5

Find the measure of angle BDC.

• 35

• 40

• 75

• 110

Find the measure of angle EFH.

• 61

• 65

• 114

• 130

Two tangents of a circle that meet outside of the circle at one point are _________.

• congruent

• perpendicular

• the same

A tangent is a line that touches a circle at just one point and forms a right angle with the circle's radius.

• True

• False

In the diagram, a tangent and a line drawn to the point of tangency form a right triangle. Solve for "?" (the length of the hypotenuse)

• 15

• 6

• -24

• 14